stream/asf_streaming.c

   1 /*
   2  * This file is part of MPlayer.
   3  *
   4  * MPlayer is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * MPlayer is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with MPlayer; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  17  */
  18
  19 #include <stdio.h>
  20 #include <stdlib.h>
  21 #include <string.h>
  22 #include <unistd.h>
  23 #include <errno.h>
  24 #include <limits.h>
  25
  26 #include "config.h"
  27 #include "mp_msg.h"
  28 #include "help_mp.h"
  29 #include "options.h"
  30
  31 #if HAVE_WINSOCK2_H
  32 #include <winsock2.h>
  33 #endif
  34
  35 #include "url.h"
  36 #include "http.h"
  37 #include "libmpdemux/asf.h"
  38
  39 #include "stream.h"
  40 #include "libmpdemux/demuxer.h"
  41 #include "asf_mmst_streaming.h"
  42 #include "network.h"
  43 #include "tcp.h"
  44
  45 #include "ffmpeg_files/intreadwrite.h"
  46
  47 #include "libmpdemux/asfguid.h"
  48
  49 extern int network_bandwidth;
  50
  51 static int asf_http_streaming_start(stream_t *stream, int *demuxer_type);
  52
  53 static int asf_read_wrapper(int fd, void *buffer, int len, streaming_ctrl_t *stream_ctrl) {
  54     uint8_t *buf = buffer;
  55     while (len > 0) {
  56         int got = nop_streaming_read(fd, buf, len, stream_ctrl);
  57         if (got <= 0) {
  58             mp_tmsg(MSGT_NETWORK, MSGL_ERR, "Error while reading network stream.\n");
  59             return got;
  60         }
  61         buf += got;
  62         len -= got;
  63     }
  64     return 1;
  65 }
  66
  67 // We can try several protocol for asf streaming
  68 // * first the UDP protcol, if there is a firewall, UDP
  69 //   packets will not come back, so the mmsu will fail.
  70 // * Then we can try TCP, but if there is a proxy for
  71 //   internet connection, the TCP connection will not get
  72 //   through
  73 // * Then we can try HTTP.
  74 //
  75 // Note: Using  WMP sequence  MMSU then MMST and then HTTP.
  76
  77 static int asf_streaming_start( stream_t *stream, int *demuxer_type) {
  78     char *proto = stream->streaming_ctrl->url->protocol;
  79     int fd = -1;
  80     int port = stream->streaming_ctrl->url->port;
  81
  82     // Is protocol mms or mmsu?
  83     if (!strcasecmp(proto, "mmsu") || !strcasecmp(proto, "mms"))
  84     {
  85                 mp_msg(MSGT_NETWORK,MSGL_V,"Trying ASF/UDP...\n");
  86                 //fd = asf_mmsu_streaming_start( stream );
  87                 if( fd>-1 ) return fd; //mmsu support is not implemented yet - using this code
  88                 mp_msg(MSGT_NETWORK,MSGL_V,"  ===> ASF/UDP failed\n");
  89                 if( fd==-2 ) return -1;
  90         }
  91
  92     //Is protocol mms or mmst?
  93     if (!strcasecmp(proto, "mmst") || !strcasecmp(proto, "mms"))
  94     {
  95                 mp_msg(MSGT_NETWORK,MSGL_V,"Trying ASF/TCP...\n");
  96                 fd = asf_mmst_streaming_start( stream );
  97                 stream->streaming_ctrl->url->port = port;
  98                 if( fd>-1 ) return fd;
  99                 mp_msg(MSGT_NETWORK,MSGL_V,"  ===> ASF/TCP failed\n");
 100                 if( fd==-2 ) return -1;
 101         }
 102
 103     //Is protocol http, http_proxy, or mms?
 104     if (!strcasecmp(proto, "http_proxy") || !strcasecmp(proto, "http") ||
 105         !strcasecmp(proto, "mms") || !strcasecmp(proto, "mmsh") ||
 106         !strcasecmp(proto, "mmshttp"))
 107     {
 108                 mp_msg(MSGT_NETWORK,MSGL_V,"Trying ASF/HTTP...\n");
 109                 fd = asf_http_streaming_start( stream, demuxer_type );
 110                 stream->streaming_ctrl->url->port = port;
 111                 if( fd>-1 ) return fd;
 112                 mp_msg(MSGT_NETWORK,MSGL_V,"  ===> ASF/HTTP failed\n");
 113                 if( fd==-2 ) return -1;
 114         }
 115
 116     //everything failed
 117         return -1;
 118 }
 119
 120 static int asf_streaming(ASF_stream_chunck_t *stream_chunck, int *drop_packet ) {
 121 /*
 122 printf("ASF stream chunck size=%d\n", stream_chunck->size);
 123 printf("length: %d\n", length );
 124 printf("0x%02X\n", stream_chunck->type );
 125 */
 126         if( drop_packet!=NULL ) *drop_packet = 0;
 127
 128         if( stream_chunck->size<8 ) {
 129                 mp_tmsg(MSGT_NETWORK,MSGL_ERR,"Ahhhh, stream_chunck size is too small: %d\n", stream_chunck->size);
 130                 return -1;
 131         }
 132         if( stream_chunck->size!=stream_chunck->size_confirm ) {
 133                 mp_tmsg(MSGT_NETWORK,MSGL_ERR,"size_confirm mismatch!: %d %d\n", stream_chunck->size, stream_chunck->size_confirm);
 134                 return -1;
 135         }
 136 /*
 137         printf("  type: 0x%02X\n", stream_chunck->type );
 138         printf("  size: %d (0x%02X)\n", stream_chunck->size, stream_chunck->size );
 139         printf("  sequence_number: 0x%04X\n", stream_chunck->sequence_number );
 140         printf("  unknown: 0x%02X\n", stream_chunck->unknown );
 141         printf("  size_confirm: 0x%02X\n", stream_chunck->size_confirm );
 142 */
 143         switch(stream_chunck->type) {
 144                 case ASF_STREAMING_CLEAR:       // $C   Clear ASF configuration
 145                         mp_msg(MSGT_NETWORK,MSGL_V,"=====> Clearing ASF stream configuration!\n");
 146                         if( drop_packet!=NULL ) *drop_packet = 1;
 147                         return stream_chunck->size;
 148                         break;
 149                 case ASF_STREAMING_DATA:        // $D   Data follows
 150 //                      printf("=====> Data follows\n");
 151                         break;
 152                 case ASF_STREAMING_END_TRANS:   // $E   Transfer complete
 153                         mp_msg(MSGT_NETWORK,MSGL_V,"=====> Transfer complete\n");
 154                         if( drop_packet!=NULL ) *drop_packet = 1;
 155                         return stream_chunck->size;
 156                         break;
 157                 case ASF_STREAMING_HEADER:      // $H   ASF header chunk follows
 158                         mp_msg(MSGT_NETWORK,MSGL_V,"=====> ASF header chunk follows\n");
 159                         break;
 160                 default:
 161                         mp_msg(MSGT_NETWORK,MSGL_V,"=====> Unknown stream type 0x%x\n", stream_chunck->type );
 162         }
 163         return stream_chunck->size+4;
 164 }
 165
 166 static void close_s(stream_t *stream) {
 167         closesocket(stream->fd);
 168         stream->fd=-1;
 169 }
 170
 171 static int max_idx(int s_count, int *s_rates, int bound) {
 172   int i, best = -1, rate = -1;
 173   for (i = 0; i < s_count; i++) {
 174     if (s_rates[i] > rate && s_rates[i] <= bound) {
 175       rate = s_rates[i];
 176       best = i;
 177     }
 178   }
 179   return best;
 180 }
 181
 182 static int asf_streaming_parse_header(int fd, streaming_ctrl_t* streaming_ctrl) {
 183   ASF_stream_chunck_t chunk;
 184   asf_http_streaming_ctrl_t* asf_ctrl = streaming_ctrl->data;
 185   char* buffer=NULL, *chunk_buffer=NULL;
 186   int i,r,size,pos = 0;
 187   int start;
 188   int buffer_size = 0;
 189   int chunk_size2read = 0;
 190   int bw = streaming_ctrl->bandwidth;
 191   int *v_rates = NULL, *a_rates = NULL;
 192   int v_rate = 0, a_rate = 0, a_idx = -1, v_idx = -1;
 193
 194   if(asf_ctrl == NULL) return -1;
 195
 196         // The ASF header can be in several network chunks. For example if the content description
 197         // is big, the ASF header will be split in 2 network chunk.
 198         // So we need to retrieve all the chunk before starting to parse the header.
 199   do {
 200           if (asf_read_wrapper(fd, &chunk, sizeof(ASF_stream_chunck_t), streaming_ctrl) <= 0)
 201             return -1;
 202           // Endian handling of the stream chunk
 203           le2me_ASF_stream_chunck_t(&chunk);
 204           size = asf_streaming( &chunk, &r) - sizeof(ASF_stream_chunck_t);
 205           if(r) mp_tmsg(MSGT_NETWORK,MSGL_WARN,"Warning: drop header ????\n");
 206           if(size < 0){
 207             mp_tmsg(MSGT_NETWORK,MSGL_ERR,"Error while parsing chunk header\n");
 208                 return -1;
 209           }
 210           if (chunk.type != ASF_STREAMING_HEADER) {
 211             mp_tmsg(MSGT_NETWORK,MSGL_ERR,"Didn't get a header as first chunk !!!!\n");
 212             return -1;
 213           }
 214
 215           // audit: do not overflow buffer_size
 216           if (size > SIZE_MAX - buffer_size) return -1;
 217           buffer = malloc(size+buffer_size);
 218           if(buffer == NULL) {
 219             mp_tmsg(MSGT_NETWORK,MSGL_FATAL,"Error: Can't allocate %d bytes buffer.\n",size+buffer_size);
 220             return -1;
 221           }
 222           if( chunk_buffer!=NULL ) {
 223                 memcpy( buffer, chunk_buffer, buffer_size );
 224                 free( chunk_buffer );
 225           }
 226           chunk_buffer = buffer;
 227           buffer += buffer_size;
 228           buffer_size += size;
 229
 230           if (asf_read_wrapper(fd, buffer, size, streaming_ctrl) <= 0)
 231             return -1;
 232
 233           if( chunk_size2read==0 ) {
 234                 ASF_header_t *asfh = (ASF_header_t *)buffer;
 235                 if(size < (int)sizeof(ASF_header_t)) {
 236                     mp_tmsg(MSGT_NETWORK,MSGL_ERR,"Error: Chunk is too small.\n");
 237                     return -1;
 238                 } else mp_msg(MSGT_NETWORK,MSGL_DBG2,"Got chunk\n");
 239                 chunk_size2read = AV_RL64(&asfh->objh.size);
 240                 mp_msg(MSGT_NETWORK,MSGL_DBG2,"Size 2 read=%d\n", chunk_size2read);
 241           }
 242   } while( buffer_size<chunk_size2read);
 243   buffer = chunk_buffer;
 244   size = buffer_size;
 245
 246   start = sizeof(ASF_header_t);
 247
 248   pos = find_asf_guid(buffer, asf_file_header_guid, start, size);
 249   if (pos >= 0) {
 250     ASF_file_header_t *fileh = (ASF_file_header_t *) &buffer[pos];
 251     pos += sizeof(ASF_file_header_t);
 252     if (pos > size) goto len_err_out;
 253 /*
 254       if(fileh.packetsize != fileh.packetsize2) {
 255         printf("Error packetsize check don't match\n");
 256         return -1;
 257       }
 258 */
 259       asf_ctrl->packet_size = AV_RL32(&fileh->max_packet_size);
 260       // before playing.
 261       // preroll: time in ms to bufferize before playing
 262       streaming_ctrl->prebuffer_size = (unsigned int)(((double)fileh->preroll/1000.0)*((double)fileh->max_bitrate/8.0));
 263   }
 264
 265   pos = start;
 266   while ((pos = find_asf_guid(buffer, asf_stream_header_guid, pos, size)) >= 0)
 267   {
 268     ASF_stream_header_t *streamh = (ASF_stream_header_t *)&buffer[pos];
 269     pos += sizeof(ASF_stream_header_t);
 270     if (pos > size) goto len_err_out;
 271       switch(ASF_LOAD_GUID_PREFIX(streamh->type)) {
 272       case 0xF8699E40 : // audio stream
 273         if(asf_ctrl->audio_streams == NULL){
 274           asf_ctrl->audio_streams = malloc(sizeof(int));
 275           asf_ctrl->n_audio = 1;
 276         } else {
 277           asf_ctrl->n_audio++;
 278           asf_ctrl->audio_streams = realloc(asf_ctrl->audio_streams,
 279                                                      asf_ctrl->n_audio*sizeof(int));
 280         }
 281         asf_ctrl->audio_streams[asf_ctrl->n_audio-1] = AV_RL16(&streamh->stream_no);
 282         break;
 283       case 0xBC19EFC0 : // video stream
 284         if(asf_ctrl->video_streams == NULL){
 285           asf_ctrl->video_streams = malloc(sizeof(int));
 286           asf_ctrl->n_video = 1;
 287         } else {
 288           asf_ctrl->n_video++;
 289           asf_ctrl->video_streams = realloc(asf_ctrl->video_streams,
 290                                                      asf_ctrl->n_video*sizeof(int));
 291         }
 292         asf_ctrl->video_streams[asf_ctrl->n_video-1] = AV_RL16(&streamh->stream_no);
 293         break;
 294       }
 295   }
 296
 297   // always allocate to avoid lots of ifs later
 298   v_rates = calloc(asf_ctrl->n_video, sizeof(int));
 299   a_rates = calloc(asf_ctrl->n_audio, sizeof(int));
 300
 301   pos = find_asf_guid(buffer, asf_stream_group_guid, start, size);
 302   if (pos >= 0) {
 303     // stream bitrate properties object
 304         int stream_count;
 305         char *ptr = &buffer[pos];
 306         char *end = &buffer[size];
 307
 308         mp_msg(MSGT_NETWORK, MSGL_V, "Stream bitrate properties object\n");
 309                 if (ptr + 2 > end) goto len_err_out;
 310                 stream_count = AV_RL16(ptr);
 311                 ptr += 2;
 312                 mp_msg(MSGT_NETWORK, MSGL_V, " stream count=[0x%x][%u]\n",
 313                         stream_count, stream_count );
 314                 for( i=0 ; i<stream_count ; i++ ) {
 315                         uint32_t rate;
 316                         int id;
 317                         int j;
 318                         if (ptr + 6 > end) goto len_err_out;
 319                         id = AV_RL16(ptr);
 320                         ptr += 2;
 321                         rate = AV_RL32(ptr);
 322                         ptr += 4;
 323                         mp_msg(MSGT_NETWORK, MSGL_V,
 324                                 "  stream id=[0x%x][%u]\n", id, id);
 325                         mp_msg(MSGT_NETWORK, MSGL_V,
 326                                 "  max bitrate=[0x%x][%u]\n", rate, rate);
 327                         for (j = 0; j < asf_ctrl->n_video; j++) {
 328                           if (id == asf_ctrl->video_streams[j]) {
 329                             mp_msg(MSGT_NETWORK, MSGL_V, "  is video stream\n");
 330                             v_rates[j] = rate;
 331                             break;
 332                           }
 333                         }
 334                         for (j = 0; j < asf_ctrl->n_audio; j++) {
 335                           if (id == asf_ctrl->audio_streams[j]) {
 336                             mp_msg(MSGT_NETWORK, MSGL_V, "  is audio stream\n");
 337                             a_rates[j] = rate;
 338                             break;
 339                           }
 340                         }
 341                 }
 342   }
 343   free(buffer);
 344
 345   // automatic stream selection based on bandwidth
 346   if (bw == 0) bw = INT_MAX;
 347   mp_msg(MSGT_NETWORK, MSGL_V, "Max bandwidth set to %d\n", bw);
 348
 349   if (asf_ctrl->n_audio) {
 350     // find lowest-bitrate audio stream
 351     a_rate = a_rates[0];
 352     a_idx = 0;
 353     for (i = 0; i < asf_ctrl->n_audio; i++) {
 354       if (a_rates[i] < a_rate) {
 355         a_rate = a_rates[i];
 356         a_idx = i;
 357       }
 358     }
 359     if (max_idx(asf_ctrl->n_video, v_rates, bw - a_rate) < 0) {
 360       // both audio and video are not possible, try video only next
 361       a_idx = -1;
 362       a_rate = 0;
 363     }
 364   }
 365   // find best video stream
 366   v_idx = max_idx(asf_ctrl->n_video, v_rates, bw - a_rate);
 367   if (v_idx >= 0)
 368     v_rate = v_rates[v_idx];
 369
 370   // find best audio stream
 371   a_idx = max_idx(asf_ctrl->n_audio, a_rates, bw - v_rate);
 372
 373   free(v_rates);
 374   free(a_rates);
 375
 376   if (a_idx < 0 && v_idx < 0) {
 377     mp_tmsg(MSGT_NETWORK, MSGL_FATAL, "Bandwidth too small, file cannot be played!\n");
 378     return -1;
 379   }
 380
 381   if (*streaming_ctrl->audio_id_ptr > 0)
 382     // a audio stream was forced
 383     asf_ctrl->audio_id = *streaming_ctrl->audio_id_ptr;
 384   else if (a_idx >= 0)
 385     asf_ctrl->audio_id = asf_ctrl->audio_streams[a_idx];
 386   else if (asf_ctrl->n_audio) {
 387     mp_tmsg(MSGT_NETWORK, MSGL_WARN, "Bandwidth too small, deselected audio stream.\n");
 388     *streaming_ctrl->audio_id_ptr = -2;
 389   }
 390
 391   if (*streaming_ctrl->video_id_ptr > 0)
 392     // a video stream was forced
 393     asf_ctrl->video_id = *streaming_ctrl->video_id_ptr;
 394   else if (v_idx >= 0)
 395     asf_ctrl->video_id = asf_ctrl->video_streams[v_idx];
 396   else if (asf_ctrl->n_video) {
 397     mp_tmsg(MSGT_NETWORK, MSGL_WARN, "Bandwidth too small, deselected video stream.\n");
 398     *streaming_ctrl->video_id_ptr = -2;
 399   }
 400
 401   return 1;
 402
 403 len_err_out:
 404   mp_tmsg(MSGT_NETWORK, MSGL_FATAL, "Invalid length in ASF header!\n");
 405   if (buffer) free(buffer);
 406   if (v_rates) free(v_rates);
 407   if (a_rates) free(a_rates);
 408   return -1;
 409 }
 410
 411 static int asf_http_streaming_read( int fd, char *buffer, int size, streaming_ctrl_t *streaming_ctrl ) {
 412   static ASF_stream_chunck_t chunk;
 413   int read,chunk_size = 0;
 414   static int rest = 0, drop_chunk = 0, waiting = 0;
 415   asf_http_streaming_ctrl_t *asf_http_ctrl = (asf_http_streaming_ctrl_t*)streaming_ctrl->data;
 416
 417   while(1) {
 418     if (rest == 0 && waiting == 0) {
 419       if (asf_read_wrapper(fd, &chunk, sizeof(ASF_stream_chunck_t), streaming_ctrl) <= 0)
 420         return -1;
 421
 422       // Endian handling of the stream chunk
 423       le2me_ASF_stream_chunck_t(&chunk);
 424       chunk_size = asf_streaming( &chunk, &drop_chunk );
 425       if(chunk_size < 0) {
 426         mp_tmsg(MSGT_NETWORK,MSGL_ERR,"Error while parsing chunk header\n");
 427         return -1;
 428       }
 429       chunk_size -= sizeof(ASF_stream_chunck_t);
 430
 431       if(chunk.type != ASF_STREAMING_HEADER && (!drop_chunk)) {
 432         if (asf_http_ctrl->packet_size < chunk_size) {
 433           mp_tmsg(MSGT_NETWORK,MSGL_ERR,"Error: chunk_size > packet_size\n");
 434           return -1;
 435         }
 436         waiting = asf_http_ctrl->packet_size;
 437       } else {
 438         waiting = chunk_size;
 439       }
 440
 441     } else if (rest){
 442       chunk_size = rest;
 443       rest = 0;
 444     }
 445
 446     read = 0;
 447     if ( waiting >= chunk_size) {
 448       if (chunk_size > size){
 449         rest = chunk_size - size;
 450         chunk_size = size;
 451       }
 452       if (asf_read_wrapper(fd, buffer, chunk_size, streaming_ctrl) <= 0)
 453         return -1;
 454       read = chunk_size;
 455       waiting -= read;
 456       if (drop_chunk) continue;
 457     }
 458     if (rest == 0 && waiting > 0 && size-read > 0) {
 459       int s = FFMIN(waiting,size-read);
 460       memset(buffer+read,0,s);
 461       waiting -= s;
 462       read += s;
 463     }
 464     break;
 465   }
 466
 467   return read;
 468 }
 469
 470 static int asf_http_streaming_seek( int fd, off_t pos, streaming_ctrl_t *streaming_ctrl ) {
 471         return -1;
 472         // to shut up gcc warning
 473         fd++;
 474         pos++;
 475         streaming_ctrl=NULL;
 476 }
 477
 478 static int asf_header_check( HTTP_header_t *http_hdr ) {
 479         ASF_obj_header_t *objh;
 480         if( http_hdr==NULL ) return -1;
 481         if( http_hdr->body==NULL || http_hdr->body_size<sizeof(ASF_obj_header_t) ) return -1;
 482
 483         objh = (ASF_obj_header_t*)http_hdr->body;
 484         if( ASF_LOAD_GUID_PREFIX(objh->guid)==0x75B22630 ) return 0;
 485         return -1;
 486 }
 487
 488 static int asf_http_streaming_type(char *content_type, char *features, HTTP_header_t *http_hdr ) {
 489         if( content_type==NULL ) return ASF_Unknown_e;
 490         if(     !strcasecmp(content_type, "application/octet-stream") ||
 491                 !strcasecmp(content_type, "application/vnd.ms.wms-hdr.asfv1") ||        // New in Corona, first request
 492                 !strcasecmp(content_type, "application/x-mms-framed") ||                // New in Corana, second request
 493                 !strcasecmp(content_type, "video/x-ms-wmv") ||
 494                 !strcasecmp(content_type, "video/x-ms-asf")) {
 495
 496                 if( strstr(features, "broadcast") ) {
 497                         mp_msg(MSGT_NETWORK,MSGL_V,"=====> ASF Live stream\n");
 498                         return ASF_Live_e;
 499                 } else {
 500                         mp_msg(MSGT_NETWORK,MSGL_V,"=====> ASF Prerecorded\n");
 501                         return ASF_Prerecorded_e;
 502                 }
 503         } else {
 504                 // Ok in a perfect world, web servers should be well configured
 505                 // so we could used mime type to know the stream type,
 506                 // but guess what? All of them are not well configured.
 507                 // So we have to check for an asf header :(, but it works :p
 508                 if( http_hdr->body_size>sizeof(ASF_obj_header_t) ) {
 509                         if( asf_header_check( http_hdr )==0 ) {
 510                                 mp_msg(MSGT_NETWORK,MSGL_V,"=====> ASF Plain text\n");
 511                                 return ASF_PlainText_e;
 512                         } else if( (!strcasecmp(content_type, "text/html")) ) {
 513                                 mp_msg(MSGT_NETWORK,MSGL_V,"=====> HTML, MPlayer is not a browser...yet!\n");
 514                                 return ASF_Unknown_e;
 515                         } else {
 516                                 mp_msg(MSGT_NETWORK,MSGL_V,"=====> ASF Redirector\n");
 517                                 return ASF_Redirector_e;
 518                         }
 519                 } else {
 520                         if(     (!strcasecmp(content_type, "audio/x-ms-wax")) ||
 521                                 (!strcasecmp(content_type, "audio/x-ms-wma")) ||
 522                                 (!strcasecmp(content_type, "video/x-ms-asf")) ||
 523                                 (!strcasecmp(content_type, "video/x-ms-afs")) ||
 524                                 (!strcasecmp(content_type, "video/x-ms-wmv")) ||
 525                                 (!strcasecmp(content_type, "video/x-ms-wma")) ) {
 526                                 mp_tmsg(MSGT_NETWORK,MSGL_ERR,"=====> ASF Redirector\n");
 527                                 return ASF_Redirector_e;
 528                         } else if( !strcasecmp(content_type, "text/plain") ) {
 529                                 mp_msg(MSGT_NETWORK,MSGL_V,"=====> ASF Plain text\n");
 530                                 return ASF_PlainText_e;
 531                         } else {
 532                                 mp_msg(MSGT_NETWORK,MSGL_V,"=====> ASF unknown content-type: %s\n", content_type );
 533                                 return ASF_Unknown_e;
 534                         }
 535                 }
 536         }
 537         return ASF_Unknown_e;
 538 }
 539
 540 static HTTP_header_t *asf_http_request(streaming_ctrl_t *streaming_ctrl) {
 541         HTTP_header_t *http_hdr;
 542         URL_t *url = NULL;
 543         URL_t *server_url = NULL;
 544         asf_http_streaming_ctrl_t *asf_http_ctrl;
 545         char str[250];
 546         char *ptr;
 547         int i, enable;
 548
 549         int offset_hi=0, offset_lo=0, length=0;
 550         int asf_nb_stream=0, stream_id;
 551
 552         // Sanity check
 553         if( streaming_ctrl==NULL ) return NULL;
 554         url = streaming_ctrl->url;
 555         asf_http_ctrl = (asf_http_streaming_ctrl_t*)streaming_ctrl->data;
 556         if( url==NULL || asf_http_ctrl==NULL ) return NULL;
 557
 558         // Common header for all requests.
 559         http_hdr = http_new_header();
 560         http_set_field( http_hdr, "Accept: */*" );
 561         http_set_field( http_hdr, "User-Agent: NSPlayer/4.1.0.3856" );
 562         http_add_basic_authentication( http_hdr, url->username, url->password );
 563
 564         // Check if we are using a proxy
 565         if( !strcasecmp( url->protocol, "http_proxy" ) ) {
 566                 server_url = url_new( (url->file)+1 );
 567                 if( server_url==NULL ) {
 568                         mp_tmsg(MSGT_NETWORK,MSGL_ERR,"invalid proxy URL\n");
 569                         http_free( http_hdr );
 570                         return NULL;
 571                 }
 572                 http_set_uri( http_hdr, server_url->url );
 573                 sprintf( str, "Host: %.220s:%d", server_url->hostname, server_url->port );
 574                 url_free( server_url );
 575         } else {
 576                 http_set_uri( http_hdr, url->file );
 577                 sprintf( str, "Host: %.220s:%d", url->hostname, url->port );
 578         }
 579
 580         http_set_field( http_hdr, str );
 581         http_set_field( http_hdr, "Pragma: xClientGUID={c77e7400-738a-11d2-9add-0020af0a3278}" );
 582         sprintf(str,
 583                 "Pragma: no-cache,rate=1.000000,stream-time=0,stream-offset=%u:%u,request-context=%d,max-duration=%u",
 584                 offset_hi, offset_lo, asf_http_ctrl->request, length );
 585         http_set_field( http_hdr, str );
 586
 587         switch( asf_http_ctrl->streaming_type ) {
 588                 case ASF_Live_e:
 589                 case ASF_Prerecorded_e:
 590                         http_set_field( http_hdr, "Pragma: xPlayStrm=1" );
 591                         ptr = str;
 592                         ptr += sprintf( ptr, "Pragma: stream-switch-entry=");
 593                         if(asf_http_ctrl->n_audio > 0) {
 594                                 for( i=0; i<asf_http_ctrl->n_audio ; i++ ) {
 595                                         stream_id = asf_http_ctrl->audio_streams[i];
 596                                         if(stream_id == asf_http_ctrl->audio_id) {
 597                                                 enable = 0;
 598                                         } else {
 599                                                 enable = 2;
 600                                                 continue;
 601                                         }
 602                                         asf_nb_stream++;
 603                                         ptr += sprintf(ptr, "ffff:%x:%d ", stream_id, enable);
 604                                 }
 605                         }
 606                         if(asf_http_ctrl->n_video > 0) {
 607                                 for( i=0; i<asf_http_ctrl->n_video ; i++ ) {
 608                                         stream_id = asf_http_ctrl->video_streams[i];
 609                                         if(stream_id == asf_http_ctrl->video_id) {
 610                                                 enable = 0;
 611                                         } else {
 612                                                 enable = 2;
 613                                                 continue;
 614                                         }
 615                                         asf_nb_stream++;
 616                                         ptr += sprintf(ptr, "ffff:%x:%d ", stream_id, enable);
 617                                 }
 618                         }
 619                         http_set_field( http_hdr, str );
 620                         sprintf( str, "Pragma: stream-switch-count=%d", asf_nb_stream );
 621                         http_set_field( http_hdr, str );
 622                         break;
 623                 case ASF_Redirector_e:
 624                         break;
 625                 case ASF_Unknown_e:
 626                         // First request goes here.
 627                         break;
 628                 default:
 629                         mp_tmsg(MSGT_NETWORK,MSGL_ERR,"unknown ASF stream type\n");
 630         }
 631
 632         http_set_field( http_hdr, "Connection: Close" );
 633         http_build_request( http_hdr );
 634
 635         return http_hdr;
 636 }
 637
 638 static int asf_http_parse_response(asf_http_streaming_ctrl_t *asf_http_ctrl, HTTP_header_t *http_hdr ) {
 639         char *content_type, *pragma;
 640         char features[64] = "\0";
 641         size_t len;
 642         if( http_response_parse(http_hdr)<0 ) {
 643                 mp_tmsg(MSGT_NETWORK,MSGL_ERR,"Failed to parse HTTP response.\n");
 644                 return -1;
 645         }
 646         switch( http_hdr->status_code ) {
 647                 case 200:
 648                         break;
 649                 case 401: // Authentication required
 650                         return ASF_Authenticate_e;
 651                 default:
 652                         mp_tmsg(MSGT_NETWORK,MSGL_ERR,"Server returned %d:%s\n", http_hdr->status_code, http_hdr->reason_phrase);
 653                         return -1;
 654         }
 655
 656         content_type = http_get_field( http_hdr, "Content-Type");
 657 //printf("Content-Type: [%s]\n", content_type);
 658
 659         pragma = http_get_field( http_hdr, "Pragma");
 660         while( pragma!=NULL ) {
 661                 char *comma_ptr=NULL;
 662                 char *end;
 663 //printf("Pragma: [%s]\n", pragma );
 664                 // The pragma line can get severals attributes
 665                 // separeted with a comma ','.
 666                 do {
 667                         if( !strncasecmp( pragma, "features=", 9) ) {
 668                                 pragma += 9;
 669                                 end = strstr( pragma, "," );
 670                                 if( end==NULL ) {
 671                                   len = strlen(pragma);
 672                                 } else {
 673                                   len = (unsigned int)(end-pragma);
 674                                 }
 675                                 if(len > sizeof(features) - 1) {
 676                                   mp_tmsg(MSGT_NETWORK,MSGL_WARN,"ASF HTTP PARSE WARNING : Pragma %s cut from %d bytes to %d\n",pragma,len,sizeof(features) - 1);
 677                                   len = sizeof(features) - 1;
 678                                 }
 679                                 strncpy( features, pragma, len );
 680                                 features[len]='\0';
 681                                 break;
 682                         }
 683                         comma_ptr = strstr( pragma, "," );
 684                         if( comma_ptr!=NULL ) {
 685                                 pragma = comma_ptr+1;
 686                                 if( pragma[0]==' ' ) pragma++;
 687                         }
 688                 } while( comma_ptr!=NULL );
 689                 pragma = http_get_next_field( http_hdr );
 690         }
 691         asf_http_ctrl->streaming_type = asf_http_streaming_type( content_type, features, http_hdr );
 692         return 0;
 693 }
 694
 695 static int asf_http_streaming_start( stream_t *stream, int *demuxer_type ) {
 696         HTTP_header_t *http_hdr=NULL;
 697         URL_t *url = stream->streaming_ctrl->url;
 698         asf_http_streaming_ctrl_t *asf_http_ctrl;
 699         char buffer[BUFFER_SIZE];
 700         int i, ret;
 701         int fd = stream->fd;
 702         int done;
 703         int auth_retry = 0;
 704
 705         asf_http_ctrl = malloc(sizeof(asf_http_streaming_ctrl_t));
 706         if( asf_http_ctrl==NULL ) {
 707                 mp_tmsg(MSGT_NETWORK,MSGL_FATAL,"Memory allocation failed.\n");
 708                 return -1;
 709         }
 710         asf_http_ctrl->streaming_type = ASF_Unknown_e;
 711         asf_http_ctrl->request = 1;
 712         asf_http_ctrl->audio_streams = asf_http_ctrl->video_streams = NULL;
 713         asf_http_ctrl->n_audio = asf_http_ctrl->n_video = 0;
 714         stream->streaming_ctrl->data = (void*)asf_http_ctrl;
 715
 716         do {
 717                 done = 1;
 718                 if( fd>0 ) closesocket( fd );
 719
 720                 if( !strcasecmp( url->protocol, "http_proxy" ) ) {
 721                         if( url->port==0 ) url->port = 8080;
 722                 } else {
 723                         if( url->port==0 ) url->port = 80;
 724                 }
 725                 fd = connect2Server( url->hostname, url->port, 1);
 726                 if( fd<0 ) return fd;
 727
 728                 http_hdr = asf_http_request( stream->streaming_ctrl );
 729                 mp_msg(MSGT_NETWORK,MSGL_DBG2,"Request [%s]\n", http_hdr->buffer );
 730                 for(i=0; i < (int)http_hdr->buffer_size ; ) {
 731                         int r = send( fd, http_hdr->buffer+i, http_hdr->buffer_size-i, 0 );
 732                         if(r <0) {
 733                                 mp_tmsg(MSGT_NETWORK,MSGL_ERR,"socket write error: %s\n",strerror(errno));
 734                                 goto err_out;
 735                         }
 736                         i += r;
 737                 }
 738                 http_free( http_hdr );
 739                 http_hdr = http_new_header();
 740                 do {
 741                         i = recv( fd, buffer, BUFFER_SIZE, 0 );
 742 //printf("read: %d\n", i );
 743                         if( i<=0 ) {
 744                                 perror("read");
 745                                 goto err_out;
 746                         }
 747                         http_response_append( http_hdr, buffer, i );
 748                 } while( !http_is_header_entire( http_hdr ) );
 749                 if( mp_msg_test(MSGT_NETWORK,MSGL_V) ) {
 750                         http_hdr->buffer[http_hdr->buffer_size]='\0';
 751                         mp_msg(MSGT_NETWORK,MSGL_DBG2,"Response [%s]\n", http_hdr->buffer );
 752                 }
 753                 ret = asf_http_parse_response(asf_http_ctrl, http_hdr);
 754                 if( ret<0 ) {
 755                         mp_tmsg(MSGT_NETWORK,MSGL_ERR,"Failed to parse header.\n");
 756                         goto err_out;
 757                 }
 758                 switch( asf_http_ctrl->streaming_type ) {
 759                         case ASF_Live_e:
 760                         case ASF_Prerecorded_e:
 761                         case ASF_PlainText_e:
 762                                 if( http_hdr->body_size>0 ) {
 763                                         if( streaming_bufferize( stream->streaming_ctrl, http_hdr->body, http_hdr->body_size )<0 ) {
 764                                                 goto err_out;
 765                                         }
 766                                 }
 767                                 if( asf_http_ctrl->request==1 ) {
 768                                         if( asf_http_ctrl->streaming_type!=ASF_PlainText_e ) {
 769                                                 // First request, we only got the ASF header.
 770                                                 ret = asf_streaming_parse_header(fd,stream->streaming_ctrl);
 771                                                 if(ret < 0) goto err_out;
 772                                                 if(asf_http_ctrl->n_audio == 0 && asf_http_ctrl->n_video == 0) {
 773                                                         mp_tmsg(MSGT_NETWORK,MSGL_ERR,"No stream found.\n");
 774                                                         goto err_out;
 775                                                 }
 776                                                 asf_http_ctrl->request++;
 777                                                 done = 0;
 778                                         } else {
 779                                                 done = 1;
 780                                         }
 781                                 }
 782                                 break;
 783                         case ASF_Redirector_e:
 784                                 if( http_hdr->body_size>0 ) {
 785                                         if( streaming_bufferize( stream->streaming_ctrl, http_hdr->body, http_hdr->body_size )<0 ) {
 786                                                 goto err_out;
 787                                         }
 788                                 }
 789                                 *demuxer_type = DEMUXER_TYPE_PLAYLIST;
 790                                 done = 1;
 791                                 break;
 792                         case ASF_Authenticate_e:
 793                                 if( http_authenticate( http_hdr, url, &auth_retry)<0 ) return -1;
 794                                 asf_http_ctrl->streaming_type = ASF_Unknown_e;
 795                                 done = 0;
 796                                 break;
 797                         case ASF_Unknown_e:
 798                         default:
 799                                 mp_tmsg(MSGT_NETWORK,MSGL_ERR,"unknown ASF streaming type\n");
 800                                 goto err_out;
 801                 }
 802         // Check if we got a redirect.
 803         } while(!done);
 804
 805         stream->fd = fd;
 806         if( asf_http_ctrl->streaming_type==ASF_PlainText_e || asf_http_ctrl->streaming_type==ASF_Redirector_e ) {
 807                 stream->streaming_ctrl->streaming_read = nop_streaming_read;
 808                 stream->streaming_ctrl->streaming_seek = nop_streaming_seek;
 809         } else {
 810                 stream->streaming_ctrl->streaming_read = asf_http_streaming_read;
 811                 stream->streaming_ctrl->streaming_seek = asf_http_streaming_seek;
 812                 stream->streaming_ctrl->buffering = 1;
 813         }
 814         stream->streaming_ctrl->status = streaming_playing_e;
 815         stream->close = close_s;
 816
 817         http_free( http_hdr );
 818         return 0;
 819
 820 err_out:
 821         if (fd > 0)
 822                 closesocket(fd);
 823         stream->fd = -1;
 824         http_free(http_hdr);
 825         return -1;
 826 }
 827
 828 static int open_s(stream_t *stream,int mode, void* opts, int* file_format) {
 829         URL_t *url;
 830
 831         stream->streaming_ctrl = streaming_ctrl_new();
 832         if( stream->streaming_ctrl==NULL ) {
 833                 return STREAM_ERROR;
 834         }
 835         stream->streaming_ctrl->audio_id_ptr = &stream->opts->audio_id;
 836         stream->streaming_ctrl->video_id_ptr = &stream->opts->video_id;
 837         stream->streaming_ctrl->bandwidth = network_bandwidth;
 838         url = url_new(stream->url);
 839         stream->streaming_ctrl->url = check4proxies(url);
 840         url_free(url);
 841
 842         mp_tmsg(MSGT_OPEN, MSGL_INFO, "STREAM_ASF, URL: %s\n", stream->url);
 843         if((!strncmp(stream->url, "http", 4)) && (*file_format!=DEMUXER_TYPE_ASF && *file_format!=DEMUXER_TYPE_UNKNOWN)) {
 844                 streaming_ctrl_free(stream->streaming_ctrl);
 845                 stream->streaming_ctrl = NULL;
 846                 return STREAM_UNSUPPORTED;
 847         }
 848
 849         if(asf_streaming_start(stream, file_format) < 0) {
 850                 mp_tmsg(MSGT_OPEN, MSGL_ERR, "Failed, exiting.\n");
 851                 streaming_ctrl_free(stream->streaming_ctrl);
 852                 stream->streaming_ctrl = NULL;
 853                 return STREAM_UNSUPPORTED;
 854         }
 855
 856         if (*file_format != DEMUXER_TYPE_PLAYLIST)
 857                 *file_format = DEMUXER_TYPE_ASF;
 858         stream->type = STREAMTYPE_STREAM;
 859         fixup_network_stream_cache(stream);
 860         return STREAM_OK;
 861 }
 862
 863 const stream_info_t stream_info_asf = {
 864   "mms and mms over http streaming",
 865   "null",
 866   "Bertrand, Reimar Doeffinger, Albeu",
 867   "originally based on work by Majormms (is that code still there?)",
 868   open_s,
 869   {"mms", "mmsu", "mmst", "http", "http_proxy", "mmsh", "mmshttp", NULL},
 870   NULL,
 871   0 // Urls are an option string
 872 };